Every murder leaves one photograph. Rain. Chalk marks. 11:47pm. One left earring missing.A detective and his team are hunting a killer who knows their moves before they make them. Every crime scene whispers the same words on the wall: "For my sister. For the blood. You killed them both."But who is "you"? And why does the word "help" make the detective freeze?By the time you find the truth, there will be 4 photographs. Maybe you’ll be in the fifth.A psychological thriller about secrets, revenge, and the price of paying attention.